List of Hot 100 number-one singles of 2011 (U.S.)
Encyclopedia
The Billboard Hot 100
Billboard Hot 100
The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...

 is a chart that ranks the best-performing singles
Single (music)
In music, a single or record single is a type of release, typically a recording of fewer tracks than an LP or a CD. This can be released for sale to the public in a variety of different formats. In most cases, the single is a song that is released separately from an album, but it can still appear...

 of the United States. Published by Billboard
Billboard (magazine)
Billboard is a weekly American magazine devoted to the music industry, and is one of the oldest trade magazines in the world. It maintains several internationally recognized music charts that track the most popular songs and albums in various categories on a weekly basis...

magazine, the data are compiled by Nielsen SoundScan
Nielsen SoundScan
Nielsen SoundScan is an information and sales tracking system created by Mike Fine and Mike Shalett. Soundscan is the official method of tracking sales of music and music video products throughout the United States and Canada...

 based collectively on each single's weekly physical
CD single
A CD single is a music single in the form of a standard size Compact Disc, not to be confused with the 3-inch CD single, which uses a smaller form factor. The format was introduced in the mid-1980s, but did not gain its place in the market until the early 1990s...

 and digital
Music download
A music download is the transferral of music from an Internet-facing computer or website to a user's local computer. This term encompasses both legal downloads and downloads of copyright material without permission or payment...

 sales, and airplay
Heavy rotation
In broadcasting, rotation is the repeated airing of a limited playlist of songs on a radio station or satellite radio channel, or music videos on a TV network. They are usually in a different order each time, however they are not completely shuffled, so as to avoid playing the same song again too...

.

Chart history

Issue date Song Artist(s) Reference(s)
January 1 "Firework
Firework (song)
"Firework" is a song by American recording artist Katy Perry. The song was written by Katy Perry, Mikkel S. Eriksen, Tor Erik Hermansen, Sandy Wilhelm, Ester Dean, and produced by Stargate and Sandy Vee for Perry's third studio album, Teenage Dream...

"
Katy Perry
Katy Perry
Katy Perry is an American singer, songwriter and actress. Born in Santa Barbara, California, and raised by Christian pastor parents, Perry grew up listening to only gospel music and sang in her local church as a child. After earning a GED during her first year of high school, she began to pursue a...

January 8 "Grenade
Grenade (song)
"Grenade" is a song performed by American singer-songwriter and producer Bruno Mars from his debut studio album Doo-Wops & Hooligans. Initially released as a promotional single on September 28, 2010, it was later announced to be the album's second single...

"
Bruno Mars
Bruno Mars
Peter Gene Hernandez , better known by his stage name Bruno Mars, is an Filipino-American singer-songwriter and record producer. Raised in Honolulu, Hawaii by a family of musicians, Mars began making music at a young age...

January 15 "Firework" Katy Perry
January 22 "Grenade" Bruno Mars
January 29 "Hold It Against Me
Hold It Against Me
"Hold It Against Me" is a song by American recording artist Britney Spears, released as the first single from her seventh studio album, Femme Fatale. It was written and produced by Max Martin, Dr. Luke and Billboard, with additional writing by Bonnie McKee. Luke explained that he wanted "Hold It...

"
Britney Spears
Britney Spears
Britney Jean Spears is an American recording artist and entertainer. Born in McComb, Mississippi, and raised in Kentwood, Louisiana, Spears began performing as a child, landing acting roles in stage productions and television shows. She signed with Jive Records in 1997 and released her debut album...

February 5 "Grenade" Bruno Mars
February 12
February 19 "Black and Yellow
Black and Yellow
"Black and Yellow" is a song by American rapper Wiz Khalifa from his debut studio album, Rolling Papers. It was released on September 14, 2010 as the lead single from the album. The song was written by Wiz Khalifa, and StarGate, and it was produced by StarGate. It was released as a CD single in...

"
Wiz Khalifa
Wiz Khalifa
Cameron Jibril Thomaz , better known by the stage name Wiz Khalifa , is an American rapper. He released his debut album, Show and Prove, in 2006, and signed to Warner Bros. Records in 2007...

February 26 "Born This Way
Born This Way (song)
"Born This Way" is a song by American recording artist Lady Gaga, from her second studio album, Born This Way. Written and produced by Gaga, Fernando Garibay, Jeppe Laursen and DJ White Shadow, "Born This Way" was developed while Gaga was on the road with The Monster Ball Tour...

"
Lady Gaga
Lady GaGa
Stefani Joanne Angelina Germanotta , better known by her stage name Lady Gaga, is an American singer and songwriter. Born and raised in New York City, she primarily studied at the Convent of the Sacred Heart and briefly attended New York University's Tisch School of the Arts before withdrawing to...

March 5
March 12
March 19
March 26
April 2
April 9 "E.T.
E.T. (song)
"E.T." is a song by American recording artist Katy Perry taken from her third studio album Teenage Dream . The song was written by Katy Perry, Lukasz Gottwald, Max Martin, and Joshua Coleman, while the production was handled by Gottwald under his stage name Dr. Luke, Martin and Ammo. "E.T." was...

"
Katy Perry featuring Kanye West
Kanye West
Kanye Omari West is an American rapper, singer, and record producer. West first rose to fame as a producer for Roc-A-Fella Records, where he eventually achieved recognition for his work on Jay-Z's album The Blueprint, as well as hit singles for musical artists including Alicia Keys, Ludacris, and...

April 16
April 23
April 30 "S&M
S&M (song)
"S&M" is a song by Barbadian recording artist Rihanna, taken from her fifth studio album, Loud . The song was written by Mikkel S. Eriksen, Tor Erik Hermansen, Corey Jackson Carter, Sandy Wilhelm and Ester Dean, with production helmed by Eriksen and Hermansen of Stargate and Sandy Wilhelm under her...

"
Rihanna
Rihanna
Robyn Rihanna Fenty , better known as simply Rihanna, is a Barbadian recording artist. Born in Saint Michael, Barbados, Rihanna moved to the United States at the age of 16 to pursue a recording career under the guidance of record producer Evan Rogers...

 featuring Britney Spears
May 7 "E.T." Katy Perry featuring Kanye West
May 14
May 21 "Rolling in the Deep
Rolling in the Deep
"Rolling in the Deep" is a song recorded by English singer-songwriter Adele for her second studio album, 21. The song was written by Paul Epworth and Adele, who described it as a "dark blues-y gospel disco tune". It was first released on 29 November 2010 as the lead single of the album.The song has...

"
Adele
Adele (singer)
Adele Laurie Blue Adkins , known professionally as Adele, is an English singer-songwriter. She was the first recipient of the Brit Awards Critics' Choice and was named the number-one predicted breakthrough act of 2008 in an annual BBC poll of music critics, Sound of 2008...

May 28
June 4
June 11
June 18
June 25
July 2
July 9 "Give Me Everything
Give Me Everything (Pitbull song)
"Give Me Everything" is a song by American rapper Pitbull, released on March 18, 2011 as the second single from his sixth studio album, Planet Pit . It was written by Matt Howard, American singer-songwriter Ne-Yo, Dutch producer and DJ Afrojack. Ne-Yo and Nayer feature on the song, while Afrojack...

"
Pitbull
Pitbull (rapper)
Armando Christian Pérez , better known by his stage name Pitbull, is an American rapper, singer-songwriter and record producer. His first recorded performance was from the Lil Jon album Kings of Crunk in 2002, after which he released his debut album in 2004 titled M.I.A.M.I. under TVT Records...

 featuring Ne-Yo
Ne-Yo
Shaffer Chimere Smith, Jr. , better known by his stage name Ne-Yo, is an American pop and R&B singer-songwriter, record producer, dancer and actor. Beginning his career as a songwriter, Ne-Yo penned the hit "Let Me Love You" for singer Mario...

, Afrojack
Afrojack
Nick van de Wall, born 9 September 1987, commonly known by his stage name Afrojack, is a Grammy Award winning Dutch music producer and DJ. Born and raised in Spijkenisse, Netherlands, He was listed as number 7 on DJ Mags top 100 DJs of 2011...

 and Nayer
Nayer
Nayer Regalado better known mononymously as Nayer, is an American singer-songwriter and model. She is best known as a featured artist on Pitbull's 2011 hit single "Give Me Everything."- Early life and career :...

July 16 "Party Rock Anthem
Party Rock Anthem
"Party Rock Anthem" is a song performed by American electro recording duo LMFAO , featuring English singer Lauren Bennett and GoonRock. It was released as the first single from their second album Sorry for Party Rocking in 2011. It interpolates lyrics from Rick Ross' song "Hustlin"...

"
LMFAO
LMFAO (group)
LMFAO is an American electro pop duo consisting of rappers, producers, dancers, and DJs Redfoo and SkyBlu . The group formed in 2006 in Los Angeles, California. Redfoo is SkyBlu's uncle. Redfoo is also the son of music mogul Berry Gordy, SkyBlu a grandson...

 featuring Lauren Bennett
Lauren Bennett
Lauren Bennett is a British singer, dancer, painter, photographer, and model. She is best known for her involvement with girl groups the Paradiso Girls and Pussycat Dolls and her work with Cee Lo Green and LMFAO.-Early life:...

 and GoonRock
GoonRock
David Jamahl Listenbee , better known by his stage name GoonRock, is an American producer and musician. He is perhaps best known for his work with American hip hop group LMFAO, and was a featured artist on their hit single "Party Rock Anthem".Born in Trenton, New Jersey, he moved to Los Angeles,...

July 23
July 30
August 6
August 13
August 20
August 27 "Last Friday Night (T.G.I.F.)
Last Friday Night (T.G.I.F.)
"Last Friday Night " is a song by American recording artist Katy Perry. The song was produced by Lukasz Gottwald and Max Martin, who also co-wrote the song with Perry and Bonnie McKee for Perry's third studio album, Teenage Dream. Perry stated that she was inspired to write the track after a night...

"
Katy Perry
September 3
September 10 "Moves Like Jagger
Moves Like Jagger
"Moves Like Jagger" was written and produced by, Benjamin Levin and Shellback, while additional writing was done by Adam Levine and Ammar Malik. When asked about the song, Levine said, "It was one of those songs that was definitely a risk; it's a bold statement. We've never really released a song...

"
Maroon 5
Maroon 5
Maroon 5 is an American pop rock band from Los Angeles, California. While they were in high school, lead vocalist and rhythm guitarist Adam Levine, keyboardist Jesse Carmichael, bass guitarist Mickey Madden, and drummer Ryan Dusick formed a garage band called Kara's Flowers and released one album...

 featuring Christina Aguilera
Christina Aguilera
Christina María Aguilera is an American recording artist and actress. Aguilera first appeared on national television in 1990 as a contestant on the Star Search program, and went on to star in Disney Channel's television series The Mickey Mouse Club from 1993–1994...

September 17 "Someone Like You
Someone Like You (Adele song)
"Someone Like You" is a song by English singer-songwriter Adele. Written by Adele and Dan Wilson for her second studio album 21, the song was inspired by a broken relationship of hers, and lyrically it speaks of Adele coming to terms with it...

"
Adele
September 24 "Moves Like Jagger" Maroon 5 featuring Christina Aguilera
October 1
October 8
October 15 "Someone Like You" Adele
October 22
October 29
November 5
November 12 "We Found Love
We Found Love
"We Found Love" is a song by Barbadian recording artist Rihanna, from her sixth studio album Talk That Talk . The song features Scottish singer-songwriter Calvin Harris. "We Found Love" was released as the lead single from the album and premiered on September 22, 2011, in the United Kingdom on the...

"
Rihanna featuring Calvin Harris
Calvin Harris
Calvin Harris is a Scottish singer-songwriter, record producer and DJ. His gold-selling debut album, I Created Disco, was released in 2007 and contained the top ten singles "Acceptable in the 80s" and "The Girls"...

November 19
November 26
December 3
December 10

See also

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